Chef knife



FIG. 1 is a perspective view of a chef knife showing our new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged bottom plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a rear elevational view thereof. 

CLAIM The ornamental design for a chef knife, as shown and described. 